Dennis Gallagher Construction

Services Provided

Accessory Dwelling Units (ADUs), Barn Design & Construction, Carport Installation, Custom Home, Demolition, Drafting, Earthquake Retrofitting, Energy-Efficient Homes, Fireproofing, Floor Plans, Foundation Construction, Garage Building, Green Building, Guesthouse Design & Construction, Handicap-Accessible Design, Historic Building Conservation, Home Additions, Home Extensions, Home Remodeling, Home Restoration, House Framing, House Plans, Insulation Installation, Land Surveying, Log Home Construction, Modular Home Additions, Modular Home Construction, Multigenerational Homes, New Home Construction, Passive Solar Heating & Cooling, Pool House Design & Construction, Prefab Houses, Project Management, Site Planning, Site Preparation, Storm Shelter Construction, Sustainable Design, Tiny House Construction, Universal Design, Waterproofing

Areas Served

Asharoken, Brentwood, Centerport, Central Islip, Centre Island, Cold Spring Harbor, Commack, Cove Neck, Deer Park, Dix Hills, East Northport, Eatons Neck, Elwood, Fort Salonga, Ft Salonga, Greenlawn, Halesite, Hauppauge, Head of the Harbor, Huntington, Huntington Bay, Huntington Station, Islandia, Kings Park, Laurel Hollow, Lloyd Harbor, Melville, Muttontown, Nesconset, Nissequogue, Northport, Old Bethpage, Oyster Bay Cove, Plainview, Ronkonkoma, Saint James, Smithtown, South Huntington, Stony Brook, Syosset, Village of the Branch, West Hills, Wheatley Heights, Woodbury